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  • Select the incorrect option for B-DNA.Option: 1 Two chains of DNA are coiled in right handed fashion always .<s

Select the incorrect option for B-DNA.

Option: 1

Two chains of DNA are coiled in right handed fashion always .


Option: 2

Pitch of helix is 3.4 nm .


Option: 3

9 bp in each turn .


Option: 4

distance between two base-pair in helix is approximately 0.34 nm .


Answers (1)

best_answer

As we learnt ,

Salient feature of Double helix structure -

Two chains are coiled in a right-handed fashion. The pitch of the helix is 3.4 nm (nm=10-9 m) and there are roughly 10 bp in each turn. Consequently, the distance between a bp in a helix is approximately equal to 0.34 nm.

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Posted by

manish painkra

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